Published
Edited
Feb 25, 2019
Importers
function getBarcodeDataURI(options) {
return new Promise((resolve, reject) => {
let canvas = document.createElement('canvas')
bwipjs(canvas, options, function(err, cvs) {
if (err) {
reject(err)
} else {
// Don't need the second param since we have the canvas in scope...
resolve(cvs.toDataURL('image/png'))
}
})
})
}
a = await getBarcodeDataURI({
bcid: 'ean8', // Barcode type
text: '1234567', // Text to encode
scale: 1, // 3x scaling factor
height: 23, // Bar height, in millimeters
})
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
